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| author | David S. Miller <davem@davemloft.net> | 2012-09-28 14:40:49 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-09-28 14:40:49 -0400 |
| commit | 6a06e5e1bb217be077e1f8ee2745b4c5b1aa02db (patch) | |
| tree | 8faea23112a11f52524eb413f71b7b02712d8b53 /drivers/acpi/bus.c | |
| parent | d9f72f359e00a45a6cd7cc2d5121b04b9dc927e1 (diff) | |
| parent | 6672d90fe779dc0dfffe027c3ede12609df091c2 (diff) | |
| download | linux-6a06e5e1bb217be077e1f8ee2745b4c5b1aa02db.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/team/team.c
drivers/net/usb/qmi_wwan.c
net/batman-adv/bat_iv_ogm.c
net/ipv4/fib_frontend.c
net/ipv4/route.c
net/l2tp/l2tp_netlink.c
The team, fib_frontend, route, and l2tp_netlink conflicts were simply
overlapping changes.
qmi_wwan and bat_iv_ogm were of the "use HEAD" variety.
With help from Antonio Quartulli.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/acpi/bus.c')
| -rw-r--r-- | drivers/acpi/bus.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 9628652e080c..e0596954290b 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -237,6 +237,16 @@ static int __acpi_bus_get_power(struct acpi_device *device, int *state) } else if (result == ACPI_STATE_D3_HOT) { result = ACPI_STATE_D3; } + + /* + * If we were unsure about the device parent's power state up to this + * point, the fact that the device is in D0 implies that the parent has + * to be in D0 too. + */ + if (device->parent && device->parent->power.state == ACPI_STATE_UNKNOWN + && result == ACPI_STATE_D0) + device->parent->power.state = ACPI_STATE_D0; + *state = result; out: |